The incease directly benefits the newer members of the governing body by allowing themselves to declare themselves anointed without satisfying the Scriptural 'two witness' rule.
Based on the steady decrease up to the end of last decade, by 2018 there would be no more self-anointed ones to to be one of the 'seven shepherds' or 'eight dukes' or whatever religious titles the governing body have bestowed upon themselves.
Evidently the holy spirit inspired 'faithful and discreet slave class' has actually dwindled down to a miserable eight, all of whom have admitted that they are no longer inspired, individually or collectively. Even 'the belongings of Christ,' such as the copyright to the Bible and all 'spiritual food,' have also been taken away from them. They are now mere spiritual shells of their former glory with all strings being pulled by a US-based real estate corporation.